Assassin

"Assassins" (A.K.A Whalers) wore oil worker masks - one which is taken by Corvo soon after his escape from prison - who follow a man named Daud. These enemies possess the Outsider powers of Traversaland Tethering. The former is their term for "Blink". The latter is an Outsider power where they hold a target immobile and draw him towards them to be attacked up close.

Surprise against Assassins is crucial in dealing with them. They can be sniped, choked, or stunned like living humans. Assassins favor crossbows for ranged weapons; bolt pouches are generally carried by individual assassins.

The easiest way of killing the assassins is to Blink behind them, or avoiding them altogether.

Unlike guards, Assassins are often in more secluded areas like abandoned houses or rooftops, so watch your back when bypassing dumber enemies by climbing. If you know they are around, turn on Dark Vision to anticipate their positions and movements.

When dealing with them in open combat, they will teleport around to try to get the jump on you, so use powerful weapons like the Pistol to take them out quickly.